Juul is under investigation in Illinois and the District of Columbia as concerns over underage use of the company's products grows.

8. CLIMATE CHANGE THREATENS FABLED EGYPT PORT CITY

Rising sea levels in Alexandria threaten to inundate poorer neighborhoods and archaeological sites, prompting authorities to erect concrete barriers out at sea to break the tide.

9. CHILD SEX ABUSE LAWSUITS THREATEN BOY SCOUTS

The Boy Scouts of America have been sued in multiple states in recent months by purported abuse victims, including plaintiffs taking advantage of new state laws.

10. THREAT OF MASS SHOOTINGS GIVE RISE TO AI-POWERED CAMERAS

Artificial intelligence is transforming surveillance cameras from passive sentries into active observers that can immediately spot a gunman, alert retailers when someone is shoplifting, and help police quickly find suspects.